Whose main job gives a plant cell strength and stiffness?

By Ritesh|Updated : September 5th, 2022

The cell wall gives a plant cell strength and stiffness. The cell wall serves several essential purposes, including:

  • Giving the cell its distinct form, sturdiness, and stiffness.
  • Defense against shocks and mechanical stress.
  • Restrain excessive hydration's effect on cell growth.
  • Prevention of cellular water loss.
  • Also, the movement of chemicals within and between cells.
  • All of the layers of a cell wall are required by plants for support.

Plant Cell Strength And Stiffness

  • The nonliving cellulose outer layer that serves as the plant cell's cell wall gives it the necessary defense and structural support.
  • It has an irregular shape and is located above the plasma membrane. It comprises pectin, cellulose, hemicellulose, and other minerals and has three layers: the primary, secondary, and middle lamella.
  • The primary cell wall is somewhat porous and composed primarily of cellulose. Pectin and other elements like lignin and proteins make up the middle lamella.
  • The secondary wall, which develops in mature cells and is made of cellulose and lignin, offers mature cells the essential stiffness and waterproofing. It is also the layer with the most significant thickness.

Summary:

Whose main job gives a plant cell strength and stiffness?

The necessary rigidity and strength are provided by the cell wall of the plant cell. The primary cell wall of plants is made of robust cellulose, but the secondary cell wall is formed by a layer of lignin, which gives it its strength and rigidity. The cell, which protects and gives the cells their structural support, is an essential component of the plant cell.

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